AZL-80279 CVE-2026-4437 affecting package glibc for versions less than 2.38-19

Calling gethostbyaddr or gethostbyaddrr with a configured nsswitch.conf that specifies the library's DNS backend in the GNU C Library version 2.34 to version 2.43 could, with a crafted response from the configured DNS server, result in a violation of the DNS specification that causes the...

Fully qualified domain names are incorrectly resolved

Lines of code Vulnerability details Impact A relative domain name like foo.eth becomes fully qualified if it ends with a dot, e.g. foo.eth., although this might seem unfamiliar to some, it's the standard and part of the DNS specification, see Fully qualified domain name, Trailing Dots in Domain...